[Ocfs2-users] Problem with tunefs.ocfs2, similar to fsck.ocfs2 on EL5

[Sunil Mushran]

On 09/27/2011 09:12 AM, Ulf Zimmermann wrote:
> - -----Original Message-----
>> From: Sunil Mushran [mailto:sunil.mushran at oracle.com]
>> Sent: Monday, September 26, 2011 10:09 AM
>> To: Ulf Zimmermann
>> Cc: ocfs2-users at oss.oracle.com
>> Subject: Re: [Ocfs2-users] Problem with tunefs.ocfs2, similar to fsck.ocfs2 on
>> EL5
>>
>> I'll look at the tunefs issue. But the other one does not make sense.
>> strict_jbd is a compat flag. Mount should work. What is the mount
>> error? As in, in dmesg.
> I don't see any dmesg or /var/log/messages, but the error I saw was from tunefs:
>
> demodb01 root /home/ulf # /usr/bin/yes | /sbin/tunefs.ocfs2 -U -L /export/u07 /dev/mapper/u07
> tunefs.ocfs2 1.2.7
> tunefs.ocfs2: Filesystem has unsupported feature(s) while opening device /dev/mapper/u07
>

So that is correct. In short that flag was added to allow us to use the
jbd(2) features. We use this to create volumes > 16TB.

I guess if you want to use with 1.2, format it with 1.2 tools.